20053020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 61867008

約数和(自身を除く): 41813988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 188, 195, 235, 260, 282, 390, 470, 547, 564, 611, 705, 780, 940, 1094, 1222, 1410, 1641, 1833, 2188, 2444, 2735, 2820, 3055, 3282, 3666, 5470, 6110, 6564, 7111, 7332, 8205, 9165, 10940, 12220, 14222, 16410, 18330, 21333, 25709, 28444, 32820, 35555, 36660, 42666, 51418, 71110, 77127, 85332, 102836, 106665, 128545, 142220, 154254, 213330, 257090, 308508, 334217, 385635, 426660, 514180, 668434, 771270, 1002651, 1336868, 1542540, 1671085, 2005302, 3342170, 4010604, 5013255, 6684340, 10026510, 20053020]

約数ペア:

[(1, 20053020), (2, 10026510), (3, 6684340), (4, 5013255), (5, 4010604), (6, 3342170), (10, 2005302), (12, 1671085), (13, 1542540), (15, 1336868), (20, 1002651), (26, 771270), (30, 668434), (39, 514180), (47, 426660), (52, 385635), (60, 334217), (65, 308508), (78, 257090), (94, 213330), (130, 154254), (141, 142220), (156, 128545), (188, 106665), (195, 102836), (235, 85332), (260, 77127), (282, 71110), (390, 51418), (470, 42666), (547, 36660), (564, 35555), (611, 32820), (705, 28444), (780, 25709), (940, 21333), (1094, 18330), (1222, 16410), (1410, 14222), (1641, 12220), (1833, 10940), (2188, 9165), (2444, 8205), (2735, 7332), (2820, 7111), (3055, 6564), (3282, 6110), (3666, 5470)]